Home / 21,358.64-32,039.58-5,776.13

Finding the Fourth Proportional to 21,358.64, 32,039.58 and 5,776.13

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Solution

The fourth proportional to 21,358.64, 32,039.58 and 5,776.13 is: 8,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.64 : 32,039.58 = 5,776.13 : x
  2. Step 2: Convert to fraction form
    21,358.64/32,039.58 = 5,776.13/x
  3. Step 3: Cross multiply
    21,358.64x = 32,039.58 × 5,776.13
  4. Step 4: Simplify right side
    21,358.64x = 185,064,619.03
  5. Step 5: Solve for x
    x = 185,064,619.03/21,358.64
  6. Step 6: Final answer
    x = 8,664.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.